I should clarify my statement to not generalize that all rural Australia is racist nor is all rural America. The vibe of the people just reminded me a lot of home, conservative and little redneck. I like my home for the most part, there are good down to earth people but also I was not surprised to find a racist. (Normally they are not as outspoken as this particular individual.)
I also was in Australia at a time when same-sex marriage was legal in the US but not in Australia, though I can't remember any homophobia other me being surprised it hadn't been legalized yet.
Also another side note - I love the fact that Australia uses European backpackers as part of their agricultural labor. Go to almost any farm there and you will find Europeans doing back-breaking labor trying to get their second-year visa.
How old was the guy? There is a chance he though he was trying to be funny by having a bit of cheeky old aussie banter, which to us younger generations comes off as racist.